Cap, Protective, Dust and Moisture5340-00-173-2667
NSN 5340-00-173-2667 · NIIN 001732667 · Part number 301121
Brp Us Inc · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 1UVT5
Government record, cited
NSN 5340-00-173-2667 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-173-2667. Manufacturer of record part number: 301121.
Also searched as5340-00-173-2667 ·
5340001732667 ·
NIIN 001732667 ·
00-173-2667 ·
FSC 5340 Hardware, Commercial · CAGE 1UVT5 · 301121
Thread Pitch Diameters: +4.8200 TO 4.8380 INCHES IN
Surface Treatment: ANODIZE
Material: ALUMINUM
Thread Size and Series/type Designator: 4-6 NPSH
Inside Diameter Length: 1.000 INCHES NOMINAL IN
Identification
NSN: 5340-00-173-2667
NIIN: 001732667
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 301121
Manufacturer: Brp Us Inc
General Description
The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-173-2667, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Brp Us Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5340-00-173-2667
Primary Part Number
301121
Item Name
Cap,protective,dust and Moisture
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Brp Us Inc
Status
ACTIVE
Design Type
THREADED
Overall Diameter
7.000 INCHES NOMINAL IN
Thread Pitch Diameters
+4.8200 TO 4.8380 INCHES IN
Surface Treatment
ANODIZE
Material
ALUMINUM
Thread Size and Series/type Designator
4-6 NPSH
Inside Diameter Length
1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-051-501730112-1POSSIBLE MATCH
SHAFT,PADEYE
Possible match (shared part number)The Entwistle Company Llc
5998-01-388-1088301121POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Northrop Grumman Systems Corporation
5365-01-438-1625301121POSSIBLE MATCH
SPACER,RING
Possible match (shared part number)Reliance Electric Company Dba Reliance & Dodge Brands
5985-01-641-8859301121POSSIBLE MATCH
ANTENNA
Possible match (shared part number)Wilson Electronics Inc. Dba Wilson Cellular
4320-01-645-5753POSSIBLE MATCH
PUMPING UNIT,HYDRAULIC,HAND DRIV
Possible match (shared part number)
3431-01-667-8415301121POSSIBLE MATCH
SUITCASE,WIRE FEEDER
Possible match (shared part number)Miller Electric Mfg. Llc
NSN 5340-00-173-2667 is a Cap,protective,dust and Moisture, manufactured by Brp Us Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-00-173-2667?
NSN 5340-00-173-2667 has 1 manufacturer part number on file: 301121 (Brp Us Inc).
What NSN replaces 5340-00-173-2667?
6 possible matches (shared part number, not a government interchangeability claim): 3040-01-051-5017, 5998-01-388-1088, 5365-01-438-1625. Verify interchangeability with system specifications before substitution.
What are the specifications of 301121?
Key specifications for 301121: Design Type: THREADED; Overall Diameter: 7.000 INCHES NOMINAL IN; Thread Pitch Diameters: +4.8200 TO 4.8380 INCHES IN; Special Features: OUTSIDE SURFACE W/4 RIBS 0.188 IN. WIDE,90.0 DEGREE APART,0.296 IN. MIN 0.305 IN. MAX HOLE IN TOP IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5340-00-173-2667 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.