The Nut,special, cataloged under National Stock Number 5310-00-221-6436, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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,special
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Technical Specifications
Parameter
Value
NSN
5310-00-221-6436
Item Name
Nut,special
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1680-00-370-7433POSSIBLE MATCH
CAM ASSEMBLY,CONTRO
Possible match (shared part number)
3120-00-467-9864GOULD-23885POSSIBLE MATCH
BUSHING,SLEEVE
Possible match (shared part number)Capitol Engine Co, Inc Dba Salmini Worldwide
5950-00-645-134323885POSSIBLE MATCH
REACTOR
Possible match (shared part number)Freed Transformer Co
5998-01-202-4665POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
23885
3/2Design control — primary reference
U.S. Government activity
Related Parts
1680-00-370-7433POSSIBLE MATCH
CAM ASSEMBLY,CONTRO
3120-00-467-9864POSSIBLE MATCH
BUSHING,SLEEVE
GOULD-23885
5950-00-645-1343POSSIBLE MATCH
REACTOR
23885
5998-01-202-4665POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Frequently Asked Questions
What is NSN 5310-00-221-6436?
NSN 5310-00-221-6436 is a Nut,special, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-00-221-6436?
4 possible matches (shared part number, not a government interchangeability claim): 1680-00-370-7433, 3120-00-467-9864, 5950-00-645-1343. Verify interchangeability with system specifications before substitution.
Is NSN 5310-00-221-6436 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.