PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W300191Nut,stamped

Crofton Co · NSN 5310-00-264-4040 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-264-4040 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-264-4040. Primary manufacturer part number: W300191.
Features
  • Nut,stamped — FSC 5310
  • Nut Style: STAMPED
  • Mating Member Diameter Accommodated: 0.312 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Width Across Flats: 0.500 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Gripping Notch Quantity: 9
  • Nut Height: 0.119 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,stamped, cataloged under National Stock Number 5310-00-264-4040, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Crofton Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-264-4040
Primary Part NumberW300191
Item NameNut,stamped
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCrofton Co
StatusACTIVE
Nut StyleSTAMPED
Mating Member Diameter Accommodated0.312 INCHES NOMINAL IN
Surface TreatmentCADMIUM OR ZINC OVERALL
Width Across Flats0.500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Gripping Notch Quantity9
Nut Height0.119 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2520-00-040-11611021377 INTERCHANGEABLE
Kit
Bae Systems Land & Armaments L.p.
2530-00-234-2891 INTERCHANGEABLE
Nut,cap,dual Wheel Mounting
6105-00-323-8859M-579-1150C INTERCHANGEABLE
Motor
Way Wolff Associates Inc
5905-00-361-885751P237743-21-11 INTERCHANGEABLE
Resistor Network,fixed,wire Woun
Herley Chicago Dba Stewart Warner Electronics
5340-00-407-833630-019-1 INTERCHANGEABLE
Cap,protective,dust and Moisture
Bell Textron Inc
5835-00-489-956818544 INTERCHANGEABLE
Recorder Set,sound
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
5310-00-514-7091PD181 INTERCHANGEABLE
Nut,stamped
Wisconsin Motors, Llc
3805-00-785-059118544 INTERCHANGEABLE
Cutting Edge,moldboard
Valk Manufacturing Company
6145-00-850-9470 INTERCHANGEABLE
Wire,electrical
5310-01-024-311118544 INTERCHANGEABLE
Nut,plain,hexagon
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
W300191 Crofton Co (USA)
300191 Crofton Co (USA)
360D1-0580 Kurz & Root Generator Company, Llc (USA)
CFR40111 Curtis Dyna-Fog, Ltd. (USA)
460D1-0564 Kurz & Root Generator Company, Llc (USA)
1021-377 Szemco Inc (USA)
PD181 Graco Inc. (USA)
18544 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
JHP33-72 Hollingsworth John R Co (USA)
Related Parts
2520-00-040-1161INTERCHANGEABLE
KIT
1021377
2530-00-234-2891INTERCHANGEABLE
NUT,CAP,DUAL WHEEL MOUNTING
6105-00-323-8859INTERCHANGEABLE
MOTOR
M-579-1150C
5905-00-361-8857INTERCHANGEABLE
RESISTOR NETWORK,FIXED,WIRE WOUN
51P237743-21-11
5340-00-407-8336INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
30-019-1
5835-00-489-9568INTERCHANGEABLE
RECORDER SET,SOUND
18544
5310-00-514-7091INTERCHANGEABLE
NUT,STAMPED
PD181
3805-00-785-0591INTERCHANGEABLE
CUTTING EDGE,MOLDBOARD
18544
6145-00-850-9470INTERCHANGEABLE
WIRE,ELECTRICAL
5310-01-024-3111INTERCHANGEABLE
NUT,PLAIN,HEXAGON
18544
5910-01-067-2504INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
WBR40-350
6150-01-214-5869INTERCHANGEABLE
CABLE AND CONDUIT ASSEMBLY,ELECT
300191

Frequently Asked Questions

What is NSN 5310-00-264-4040?

NSN 5310-00-264-4040 is a Nut,stamped, manufactured by Crofton Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-264-4040?

NSN 5310-00-264-4040 has 9 cross-referenced part numbers: W300191 (Crofton Co), 300191 (Crofton Co), 360D1-0580 (Kurz & Root Generator Company, Llc), CFR40111 (Curtis Dyna-Fog, Ltd.), 460D1-0564 (Kurz & Root Generator Company, Llc) and 4 more.

What NSN replaces 5310-00-264-4040?

There are 12 known substitutes for 5310-00-264-4040: 2520-00-040-1161, 2530-00-234-2891, 6105-00-323-8859 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W300191?

Key specifications for W300191: Nut Style: STAMPED; Mating Member Diameter Accommodated: 0.312 INCHES NOMINAL IN; Surface Treatment: CADMIUM OR ZINC OVERALL; Width Across Flats: 0.500 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com