PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91-129/4Valve,check

3m Company · NSN 4820-01-529-1653 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-529-1653 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-529-1653. Primary manufacturer part number: 91-129/4.
Features
  • Valve,check — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: 3m Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-529-1653, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is 3m Company. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-529-1653
Primary Part Number91-129/4
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
Manufacturer3m Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-167-0814NAS1149C0532R INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4730-00-882-8621169HD-4-2 INTERCHANGEABLE
Elbow,pipe to Tube
Parker-Hannifin Corp Div Fluid System Connector Division
5977-01-290-8274911294 INTERCHANGEABLE
Brush Set,electrical Contact
Clark Material Handling Company
Cross-Reference Index
Part NumberManufacturer
91-129/4 3m Company (USA)
91-129/4 Accuspray Inc (USA)
Related Parts
5310-00-167-0814INTERCHANGEABLE
WASHER,FLAT
NAS1149C0532R
4730-00-882-8621INTERCHANGEABLE
ELBOW,PIPE TO TUBE
169HD-4-2
5977-01-290-8274INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
911294

Frequently Asked Questions

What is NSN 4820-01-529-1653?

NSN 4820-01-529-1653 is a Valve,check, manufactured by 3m Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-529-1653?

NSN 4820-01-529-1653 has 2 cross-referenced part numbers: 91-129/4 (3m Company), 91-129/4 (Accuspray Inc).

What NSN replaces 4820-01-529-1653?

There are 3 known substitutes for 4820-01-529-1653: 5310-00-167-0814, 4730-00-882-8621, 5977-01-290-8274. Verify interchangeability with system specifications before substitution.

What are the specifications of 91-129/4?

Key specifications for 91-129/4: End Item Identification: ONE QUART CUP FOR SPRAY GUN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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