NSN 5310-01-468-6645 · NIIN 014686645 · Part number PN-11
Whittet-Higgins Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 79568
Government record, cited
NSN 5310-01-468-6645 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-468-6645. Manufacturer of record part number: PN-11.
Also searched as5310-01-468-6645 ·
5310014686645 ·
NIIN 014686645 ·
01-468-6645 ·
FSC 5310 Nuts and Washers · CAGE 79568 · PN-11 · 528-7378786 PC54 · 7378786
Thread Pitch Diameters: +2.1209 TO 2.1260 INCHES IN
Drive Point Width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Thread Direction: RIGHT-HAND
Nominal Thread Size: 2.157 INCHES IN
Nut Diameter: 2.954 INCHES MINIMUM AND 2.974 INCHES MAXIMUM IN
Drive Point Depth: 0.250 INCHES NOMINAL IN
Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
Identification
NSN: 5310-01-468-6645
NIIN: 014686645
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: PN-11
Manufacturer: Whittet-Higgins Company
General Description
The Nut,self-Locking,round, cataloged under National Stock Number 5310-01-468-6645, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Whittet-Higgins Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-468-6645
Primary Part Number
PN-11
Item Name
Nut,self-Locking,round
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Whittet-Higgins Company
Status
ACTIVE
Thread Pitch Diameters
+2.1209 TO 2.1260 INCHES IN
Drive Point Width
0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Thread Direction
RIGHT-HAND
Nominal Thread Size
2.157 INCHES IN
Nut Diameter
2.954 INCHES MINIMUM AND 2.974 INCHES MAXIMUM IN
Drive Point Depth
0.250 INCHES NOMINAL IN
Locking Feature
PREVAILING TORQUE ALL METAL DESIGN
Nut Thickness
0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Drive Point Quantity
8
Nut Style
ROUND
Thread Quantity Per Inch
18
Material
STEEL OVERALL
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-468-6661PN-10POSSIBLE MATCH
NUT,SELF-LOCKING,ROUND
Possible match (shared part number)Whittet-Higgins Company
5310-01-468-7152PW-10POSSIBLE MATCH
WASHER,KEY
Possible match (shared part number)Whittet-Higgins Company
5310-01-468-7188PW-11POSSIBLE MATCH
WASHER,KEY
Possible match (shared part number)Whittet-Higgins Company
5310-01-468-75957378786 PC93POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)Naval Sea Systems Command
5310-01-468-7600528-7378786 PC95POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-468-8355528-7378786 PC102POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
NSN 5310-01-468-6645 is a Nut,self-Locking,round, manufactured by Whittet-Higgins Company, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-468-6645?
NSN 5310-01-468-6645 has 2 manufacturer part numbers on file: 528-7378786 PC54 (Naval Sea Systems Command), PN-11 (Whittet-Higgins Company).
What NSN replaces 5310-01-468-6645?
6 possible matches (shared part number, not a government interchangeability claim): 5310-01-468-6661, 5310-01-468-7152, 5310-01-468-7188. Verify interchangeability with system specifications before substitution.
What are the specifications of PN-11?
Key specifications for PN-11: Thread Pitch Diameters: +2.1209 TO 2.1260 INCHES IN; Drive Point Width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Nominal Thread Size: 2.157 INCHES IN. 12 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-468-6645 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.