Cap, Protective, Dust and Moisture5340-01-133-2571
NSN 5340-01-133-2571 · NIIN 011332571 · Part number 310-2-1/2
Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 20266
Government record, cited
NSN 5340-01-133-2571 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-133-2571. Manufacturer of record part number: 310-2-1/2.
Tube Outside Diameter for Which Designed: 2.500 INCHES NOMINAL IN
Surface Treatment: CHROMIUM
Material: COPPER ALLOY OR ALUMINUM
2 manufacturer part numbers on file
Manufacturer of record: Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company
Identification
NSN: 5340-01-133-2571
NIIN: 011332571
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 310-2-1/2
Manufacturer: Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company
General Description
The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-133-2571, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5340-01-133-2571
Primary Part Number
310-2-1/2
Item Name
Cap,protective,dust and Moisture
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company
Status
ACTIVE
Design Type
THREADED
Tube Outside Diameter for Which Designed
2.500 INCHES NOMINAL IN
Surface Treatment
CHROMIUM
Material
COPPER ALLOY OR ALUMINUM
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
Unit of Issue
EA
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4810-01-159-0895POSSIBLE MATCH
BODY,CYLINDER
Possible match (shared part number)
5340-01-528-615931021-2POSSIBLE MATCH
SEAT,HELICAL COMPRESSION SPRING
Possible match (shared part number)Remote Controls Inc Dba Remote Controls Inc
5895-01-628-0383310212POSSIBLE MATCH
PANEL,PATCHING,COMMUNICATION
Possible match (shared part number)Anixter Inc Dba Anixter
NSN 5340-01-133-2571 is a Cap,protective,dust and Moisture, manufactured by Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-133-2571?
NSN 5340-01-133-2571 has 2 manufacturer part numbers on file: 310-2-1/2 (Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company), ME-106-A (Tld Wollard Llc).
What NSN replaces 5340-01-133-2571?
3 possible matches (shared part number, not a government interchangeability claim): 4810-01-159-0895, 5340-01-528-6159, 5895-01-628-0383. Verify interchangeability with system specifications before substitution.
What are the specifications of 310-2-1/2?
Key specifications for 310-2-1/2: Design Type: THREADED; Tube Outside Diameter for Which Designed: 2.500 INCHES NOMINAL IN; Special Features: FURNISHED WITH CHAIN; Surface Treatment: CHROMIUM. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5340-01-133-2571 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.