Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.138 INCHES IN
Nut Diameter: 0.337 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
Nut Thickness: 0.050 INCHES NOMINAL IN
Surface Treatment: PASSIVATE OVERALL
Identification
NSN: 5310-01-166-6675
NIIN: 011666675
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Nut,plain,round, cataloged under National Stock Number 5310-01-166-6675, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-166-6675
Item Name
Nut,plain,round
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Surface Treatment Document and Classification
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series
UNIFIED NATIONAL COARSE (UNC)
Thread Direction
RIGHT-HAND
Nominal Thread Size
0.138 INCHES IN
Nut Diameter
0.337 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
Nut Thickness
0.050 INCHES NOMINAL IN
Surface Treatment
PASSIVATE OVERALL
Nut Style
ROUND
Thread Class
2B
Thread Quantity Per Inch
32
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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
7606-8163-1
3/9Design control — primary reference
Drs Icas, Llc
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-166-6675?
NSN 5310-01-166-6675 is a Nut,plain,round, classified under FSC 5310, Nuts and Washers. Status: active.
What are the specifications of 5310-01-166-6675?
Key specifications for 5310-01-166-6675: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.138 INCHES IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-166-6675 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.