NSN 5310-01-503-6541 · NIIN 015036541 · Part number 8890-920 COMP B ITEM 16
Velan Valve Corp. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 57574
Government record, cited
NSN 5310-01-503-6541 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-503-6541. Manufacturer of record part number: 8890-920 COMP B ITEM 16.
Also searched as5310-01-503-6541 ·
5310015036541 ·
NIIN 015036541 ·
01-503-6541 ·
FSC 5310 Nuts and Washers · CAGE 57574 · 8890-920 COMP B ITEM 16 · 8890-920
The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-503-6541, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Velan Valve Corp.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Nut,self-Locking,hexagon
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Manufacturers
Velan Valve Corp. (CAGE 57574)
Technical Specifications
Parameter
Value
NSN
5310-01-503-6541
Primary Part Number
8890-920 COMP B ITEM 16
Item Name
Nut,self-Locking,hexagon
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Velan Valve Corp.
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-504-34359049-089-031POSSIBLE MATCH
FLANGE,GLAND,VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-504-34369019-001-005-SPOSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-504-34399099-007-358POSSIBLE MATCH
GUIDE,VALVE STEM
Possible match (shared part number)Velan Valve Corp.
4820-01-504-57288959-166-033-SPOSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Velan Valve Corp.
NSN 5310-01-503-6541 is a Nut,self-Locking,hexagon, manufactured by Velan Valve Corp., classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-503-6541?
NSN 5310-01-503-6541 has 1 manufacturer part number on file: 8890-920 COMP B ITEM 16 (Velan Valve Corp.).
What NSN replaces 5310-01-503-6541?
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-504-3435, 4820-01-504-3436, 4820-01-504-3439. Verify interchangeability with system specifications before substitution.
Is NSN 5310-01-503-6541 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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.