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NSN 5305-01-353-2008Government record, cited
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Setscrew5305-01-353-2008

NSN 5305-01-353-2008 · NIIN 013532008 · Part number 593-6405224 PIECE 116
Naval Sea Systems Command · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5305-01-353-2008 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-353-2008. Manufacturer of record part number: 593-6405224 PIECE 116.
Also searched as  5305-01-353-2008 · 5305013532008 · NIIN 013532008 · 01-353-2008 · FSC 5305 Screws · CAGE 53711 · 593-6405224 PIECE 116 · QQ-N-281 · 211037681 · ANSI B18.3
Nearby stock numbers  ·
L 0.312 INCHES NOMINAL IN ⌀0.250 INCHES IN UNIFIED NATIONAL COARSE (UNC) BOLT/SCREW PROFILE
5305-01-353-2008 — Screws
Features
  • Setscrew — FSC 5305
  • Width Across Flats: 0.125 INCHES NOMINAL IN
  • Fastener Length: 0.312 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Head Style: HEADLESS (SETSCREW)
  • Thread Direction: RIGHT-HAND
  • Point Style: CUP
  • Internal Drive Style: HEXAGON
Identification
  • NSN: 5305-01-353-2008
  • NIIN: 013532008
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 593-6405224 PIECE 116
  • Manufacturer: Naval Sea Systems Command
General Description

The Setscrew, cataloged under National Stock Number 5305-01-353-2008, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-353-2008
Primary Part Number593-6405224 PIECE 116
Item NameSetscrew
FSC / FSG5305 / 53 — Screws
ManufacturerNaval Sea Systems Command
StatusACTIVE
Width Across Flats0.125 INCHES NOMINAL IN
Fastener Length0.312 INCHES NOMINAL IN
Nominal Thread Diameter0.250 INCHES IN
Head StyleHEADLESS (SETSCREW)
Thread DirectionRIGHT-HAND
Point StyleCUP
Internal Drive StyleHEXAGON
Thread Class3A A
Thread Quantity Per Inch20
MaterialNICKEL ALLOY OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-353-2020211037353 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Naval Sea Systems Command
5305-01-353-2021211037357 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Naval Sea Systems Command
5305-01-353-2022211041411A POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5305-01-353-2023211037362 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Naval Sea Systems Command
5305-01-353-2024211039962 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Naval Sea Systems Command
5305-01-354-0883593-6405224 PIECE 101 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Naval Sea Systems Command
5305-01-389-2570 POSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)
5305-01-400-1071585-6406777-51 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Naval Sea Systems Command
5305-01-417-46445912051PC21 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
593-6405224 PIECE 116 PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
QQ-N-281 4/1 Identification reference
U.S. Government activity
211037681 5/9 Secondary reference
Naval Sea Systems Command
ANSI B18.3 3/1 Design control — primary reference
U.S. Government activity
Related Parts
5305-01-353-2020POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
211037353
5305-01-353-2021POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
211037357
5305-01-353-2022POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
211041411A
5305-01-353-2023POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
211037362
5305-01-353-2024POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
211039962
5305-01-354-0883POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
593-6405224 PIECE 101
5305-01-389-2570POSSIBLE MATCH
SCREW,SHOULDER
5305-01-400-1071POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
585-6406777-51
5305-01-417-4644POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
5912051PC21

Frequently Asked Questions

What is NSN 5305-01-353-2008?

NSN 5305-01-353-2008 is a Setscrew, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-353-2008?

NSN 5305-01-353-2008 has 1 manufacturer part number on file: 593-6405224 PIECE 116 (Naval Sea Systems Command).

What NSN replaces 5305-01-353-2008?

9 possible matches (shared part number, not a government interchangeability claim): 5305-01-353-2020, 5305-01-353-2021, 5305-01-353-2022. Verify interchangeability with system specifications before substitution.

What are the specifications of 593-6405224 PIECE 116?

Key specifications for 593-6405224 PIECE 116: Width Across Flats: 0.125 INCHES NOMINAL IN; Fastener Length: 0.312 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Head Style: HEADLESS (SETSCREW). 11 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-353-2008 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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