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NSN 5305-01-358-9591Government record, cited
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Screw, Shoulder5305-01-358-9591

NSN 5305-01-358-9591 · NIIN 013589591
FSC 5305 — Screws · FSG 53 — Hardware and Abrasives
Government record, cited
Also searched as  5305-01-358-9591 · 5305013589591 · NIIN 013589591 · 01-358-9591 · FSC 5305 Screws · 0.312 SHLD. DIA. X 1.000 LG-NICU · MIL-S-21472 · MIL-S-21472, QQ -N-281,
Nearby stock numbers  ·
L 1.000 INCHES NOMINAL IN ⌀0.3085 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM FIRST SHOULDER IN UNIFIED NATIONAL COARSE (UNC) BOLT/SCREW PROFILE
5305-01-358-9591 — Screws
Features
  • Screw,shoulder — FSC 5305
  • Width Across Flats: 0.156 INCHES NOMINAL IN
  • Head Height: 0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Shoulder Length: 0.567 INCHES MINIMUM AND 0.577 INCHES MAXIMUM FIRST SHOULDER IN
  • Shoulder Diameter: 0.3085 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM FIRST SHOULDER IN
  • Thread Length: 0.418 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
  • Shoulder Shape: ROUND FIRST SHOULDER
Identification
  • NSN: 5305-01-358-9591
  • NIIN: 013589591
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
General Description

The Screw,shoulder, cataloged under National Stock Number 5305-01-358-9591, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government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
NSN5305-01-358-9591
Item NameScrew,shoulder
FSC / FSG5305 / 53 — Screws
StatusACTIVE
Width Across Flats0.156 INCHES NOMINAL IN
Head Height0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Fastener Length1.000 INCHES NOMINAL IN
Shoulder Length0.567 INCHES MINIMUM AND 0.577 INCHES MAXIMUM FIRST SHOULDER IN
Shoulder Diameter0.3085 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM FIRST SHOULDER IN
Thread Length0.418 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Shoulder ShapeROUND FIRST SHOULDER
Material Document and ClassificationQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter0.250 INCHES IN
Head StyleFLAT CHAMFER
Thread DirectionRIGHT-HAND
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Minimum Yield Strength40000 POUNDS PER SQUARE INCH LBS
Internal Drive StyleHEXAGON
Thread Class3A A
Thread Quantity Per Inch20
MaterialNICKEL ALLOY 400 OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Diameter0.419 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 12
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-365-0358 POSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)
5305-01-369-9502 POSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)
5305-01-370-6955NASM21472 POSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-372-0341MS51575-6 POSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-386-7850 POSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)
5305-01-390-3853 POSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)
5305-01-390-3854 POSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)
5305-01-390-8471 POSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)
5305-01-392-0143NASM51975-41 POSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-406-1264 POSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
0.312 SHLD. DIA. X 1.000 LG-NICU 3/1 Design control — primary reference
U.S. Government activity
MIL-S-21472 4/1 Identification reference
U.S. Government activity
MIL-S-21472, QQ -N-281, 5/9 Secondary reference
Zf Industrieantriebe Witten Gmbh
Related Parts
5305-01-365-0358POSSIBLE MATCH
SCREW,SHOULDER
5305-01-369-9502POSSIBLE MATCH
SCREW,SHOULDER
5305-01-370-6955POSSIBLE MATCH
SCREW,SHOULDER
NASM21472
5305-01-372-0341POSSIBLE MATCH
SCREW,SHOULDER
MS51575-6
5305-01-386-7850POSSIBLE MATCH
SCREW,SHOULDER
5305-01-390-3853POSSIBLE MATCH
SCREW,SHOULDER
5305-01-390-3854POSSIBLE MATCH
SCREW,SHOULDER
5305-01-390-8471POSSIBLE MATCH
SCREW,SHOULDER
5305-01-392-0143POSSIBLE MATCH
SCREW,SHOULDER
NASM51975-41
5305-01-406-1264POSSIBLE MATCH
SCREW,SHOULDER
5305-01-474-6248POSSIBLE MATCH
SCREW,SHOULDER
DF330718 FIND 106
5305-01-507-1792POSSIBLE MATCH
SCREW,SHOULDER
752-7068422-56

Frequently Asked Questions

What is NSN 5305-01-358-9591?

NSN 5305-01-358-9591 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.

What NSN replaces 5305-01-358-9591?

12 possible matches (shared part number, not a government interchangeability claim): 5305-01-365-0358, 5305-01-369-9502, 5305-01-370-6955. Verify interchangeability with system specifications before substitution.

What are the specifications of 5305-01-358-9591?

Key specifications for 5305-01-358-9591: Width Across Flats: 0.156 INCHES NOMINAL IN; Head Height: 0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Fastener Length: 1.000 INCHES NOMINAL IN; Shoulder Length: 0.567 INCHES MINIMUM AND 0.577 INCHES MAXIMUM FIRST SHOULDER IN. 19 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-358-9591 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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