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NSN 5305-01-353-2020Government record, cited
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Screw, Cap, Socket Head5305-01-353-2020

NSN 5305-01-353-2020 · NIIN 013532020 · Part number 211037353
Naval Sea Systems Command · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5305-01-353-2020 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-353-2020. Manufacturer of record part number: 211037353.
Also searched as  5305-01-353-2020 · 5305013532020 · NIIN 013532020 · 01-353-2020 · FSC 5305 Screws · CAGE 53711 · 211037353 · MIL-S-1222 · ANSI B18.3 · 593-6405224 PIECE 80 · MIL-DTL-1222
Nearby stock numbers  ·
L 1.500 INCHES NOMINAL IN ⌀0.375 INCHES IN UNRC BOLT/SCREW PROFILE
5305-01-353-2020 — Screws
Features
  • Screw,cap,socket Head — FSC 5305
  • Width Across Flats: 0.188 INCHES NOMINAL IN
  • Head Height: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Fastener Length: 1.500 INCHES NOMINAL IN
  • Thread Length: 1.375 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Head Style: FLAT CHAMFER
  • Thread Direction: RIGHT-HAND
Identification
  • NSN: 5305-01-353-2020
  • NIIN: 013532020
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 211037353
  • Manufacturer: Naval Sea Systems Command
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-353-2020, 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 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
NSN5305-01-353-2020
Primary Part Number211037353
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — Screws
ManufacturerNaval Sea Systems Command
StatusACTIVE
Width Across Flats0.188 INCHES NOMINAL IN
Head Height0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Fastener Length1.500 INCHES NOMINAL IN
Thread Length1.375 INCHES NOMINAL IN
Nominal Thread Diameter0.375 INCHES IN
Head StyleFLAT CHAMFER
Thread DirectionRIGHT-HAND
Internal Drive StyleHEXAGON
Thread Class3A A
Thread Quantity Per Inch16
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorUNRC
Head Diameter0.543 INCHES MINIMUM AND 0.562 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 8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
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
211037353 PRIMARY Naval Sea Systems Command (USA)
593-6405224 PIECE 80 PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
MIL-S-1222 5/9 Secondary reference
U.S. Government activity
ANSI B18.3 3/1 Design control — primary reference
U.S. Government activity
MIL-DTL-1222 4/1 Identification reference
U.S. Government activity
Related Parts
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 5305-01-353-2020?

NSN 5305-01-353-2020 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-353-2020?

NSN 5305-01-353-2020 has 2 manufacturer part numbers on file: 211037353 (Naval Sea Systems Command), 593-6405224 PIECE 80 (Naval Sea Systems Command).

What NSN replaces 5305-01-353-2020?

8 possible matches (shared part number, not a government interchangeability claim): 5305-01-353-2021, 5305-01-353-2022, 5305-01-353-2023. Verify interchangeability with system specifications before substitution.

What are the specifications of 211037353?

Key specifications for 211037353: Width Across Flats: 0.188 INCHES NOMINAL IN; Head Height: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Fastener Length: 1.500 INCHES NOMINAL IN; Thread Length: 1.375 INCHES NOMINAL IN. 13 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-353-2020 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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