PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11581Screw,cap,socket Head

Sps Technologies, Llc Dba PB Fasteners · NSN 5305-01-273-4953 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-273-4953 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-273-4953. Primary manufacturer part number: 11581.
Features
  • Screw,cap,socket Head — FSC 5305
  • 1 verified cross-reference
  • Primary manufacturer: Sps Technologies, Llc Dba PB Fasteners
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-273-4953, is classified within Federal Supply Class 5305 (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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameScrew,cap,socket Head
FSC / FSG5305 — No Item Name Available (FSG 53)
ManufacturersSps Technologies, Llc Dba PB Fasteners (CAGE 56878)
Technical Specifications
ParameterValue
NSN5305-01-273-4953
Primary Part Number11581
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-262-300011382A INTERCHANGEABLE
Washer,flat
Brinkley Technology Group Llc Dba Hercules Manufacturing
3120-00-378-083111581 INTERCHANGEABLE
Bushing,sleeve
Fwd Seagrave Holdings Lp
5330-00-532-3546 INTERCHANGEABLE
Gasket
5950-00-532-6984 INTERCHANGEABLE
Coil,radio Frequency
5950-00-556-1507919455-500 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
3040-00-594-4142SM-B-171485 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5825-00-595-554811581 INTERCHANGEABLE
Synchro Conversion Module
Data Device Corp Dba Beta Transformer Technology
5315-00-768-023011581 INTERCHANGEABLE
Pin,straight,headed
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
4210-00-928-259011581 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
Tyco Fire Products Lp
3020-01-025-3129 INTERCHANGEABLE
Gear,antibacklash,spur
Cross-Reference Index
Part NumberManufacturer
11581 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
Related Parts
5310-00-262-3000INTERCHANGEABLE
WASHER,FLAT
11382A
3120-00-378-0831INTERCHANGEABLE
BUSHING,SLEEVE
11581
5330-00-532-3546INTERCHANGEABLE
GASKET
5950-00-532-6984INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-00-556-1507INTERCHANGEABLE
COIL,RADIO FREQUENCY
919455-500
3040-00-594-4142INTERCHANGEABLE
LEVER,MANUAL CONTROL
SM-B-171485
5825-00-595-5548INTERCHANGEABLE
SYNCHRO CONVERSION MODULE
11581
5315-00-768-0230INTERCHANGEABLE
PIN,STRAIGHT,HEADED
11581
4210-00-928-2590INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
11581
3020-01-025-3129INTERCHANGEABLE
GEAR,ANTIBACKLASH,SPUR
5325-01-177-8302INTERCHANGEABLE
RING,RETAINING
5330-01-519-4160INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
1158-1

Frequently Asked Questions

What is NSN 5305-01-273-4953?

NSN 5305-01-273-4953 is a Screw,cap,socket Head, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-273-4953?

NSN 5305-01-273-4953 has 1 cross-referenced part number: 11581 (Sps Technologies, Llc Dba PB Fasteners).

What NSN replaces 5305-01-273-4953?

There are 12 known substitutes for 5305-01-273-4953: 5310-00-262-3000, 3120-00-378-0831, 5330-00-532-3546 and 9 more. Verify interchangeability with system specifications before substitution.

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