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2825655-1

View detailed technical data, stock status, and sourcing information for: 2825655-1

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2825655-1
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-157-7398
Item Name Code
22846
Assigment Date
07/11/1983 (43 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

0.410 inches minimum and 0.430 inches maximum thread length, flat chamfer head style, right-hand thread direction, 2a thread class, 0.568 inches nominal fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2a
Thread Direction
right-hand
Thread Length
0.410 inches minimum and 0.430 inches maximum
Fastener Length
0.568 inches nominal
Head Style
flat chamfer
Head Diameter
0.355 inches minimum and 0.375 inches maximum
Head Height
0.204 inches minimum and 0.224 inches maximum
Shoulder Diameter
0.215 inches minimum and 0.220 inches maximum first shoulder
Shoulder Length
0.143 inches minimum and 0.153 inches maximum first shoulder
Internal Drive Style
hexagon
Nominal Thread Diameter
0.164 inches
Width Across Flats
0.1562 inches minimum and 0.1587 inches maximum
Thread Quantity Per Inch
32
Shoulder Shape
round first shoulder
Material
steel comp 302 or steel comp 303 overall
Material Document And Classification
qq-s-763 fed spec 1st material response or astm a582 assn std 2nd material response overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
qq-p-35 ty 1 or ty 2 or ty 3 fed spec single treatment response overall
Thread Series Designator
unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
2825655-1 Shoulder Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-157-7398?
The FSCG of the NSN 5305-01-157-7398 is 5305
Does the NSN 5305-01-157-7398 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-157-7398 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-01-157-7398 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-157-7398 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-01-157-7398 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Mon, Jul 11, 1983

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