PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74828-820Nut,self-Locking,extended Washer

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-00-630-1221 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-630-1221 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-630-1221. Primary manufacturer part number: 74828-820.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Sps Technologies, Llc Dba PB Fasteners
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-630-1221, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersWilliams International Co., L.l.c. (CAGE 24235); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878)
Technical Specifications
ParameterValue
NSN5310-00-630-1221
Primary Part Number74828-820
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-645-4409FTC141-5019 INTERCHANGEABLE
Coil,radio Frequency
Viking Technologies, Ltd.
2530-00-753-9157A1689 INTERCHANGEABLE
Hub and Drum Assembly,wheel
Am General Llc
3020-01-177-249525647 INTERCHANGEABLE
Pulley,groove
Industrial Technologies and Services Llc
3120-01-264-6136 INTERCHANGEABLE
Bushing,sleeve
5305-01-303-859125647 INTERCHANGEABLE
Screw,machine
Barksdale, Inc
5120-01-434-9600 INTERCHANGEABLE
Punch,center,solid
6630-01-606-4258 INTERCHANGEABLE
Buret Drive
Cross-Reference Index
Part NumberManufacturer
25647 Williams International Co., L.l.c. (USA)
74828-820 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
Related Parts
5950-00-645-4409INTERCHANGEABLE
COIL,RADIO FREQUENCY
FTC141-5019
2530-00-753-9157INTERCHANGEABLE
HUB AND DRUM ASSEMBLY,WHEEL
A1689
3020-01-177-2495INTERCHANGEABLE
PULLEY,GROOVE
25647
3120-01-264-6136INTERCHANGEABLE
BUSHING,SLEEVE
5305-01-303-8591INTERCHANGEABLE
SCREW,MACHINE
25647
5120-01-434-9600INTERCHANGEABLE
PUNCH,CENTER,SOLID
6630-01-606-4258INTERCHANGEABLE
BURET DRIVE

Frequently Asked Questions

What is NSN 5310-00-630-1221?

NSN 5310-00-630-1221 is a Nut,self-Locking,extended Washer, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-630-1221?

NSN 5310-00-630-1221 has 2 cross-referenced part numbers: 25647 (Williams International Co., L.l.c.), 74828-820 (Sps Technologies, Llc Dba PB Fasteners).

What NSN replaces 5310-00-630-1221?

There are 7 known substitutes for 5310-00-630-1221: 5950-00-645-4409, 2530-00-753-9157, 3020-01-177-2495 and 4 more. Verify interchangeability with system specifications before substitution.

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