PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11981Screw,cap,hexagon Head

Indiana Mills & Manufacturing Inc Dba Indiana Mills & Manufacturing Inc · NSN 5305-01-586-8528 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-586-8528 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-586-8528. Primary manufacturer part number: 11981.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Quantity Per Inch: 20
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.437 INCHES IN
  • 1 verified cross-reference
  • Primary manufacturer: Indiana Mills & Manufacturing Inc Dba Indiana Mills & Manufacturing Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-586-8528, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Indiana Mills & Manufacturing Inc Dba Indiana Mills & Manufacturing Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN5305-01-586-8528
Primary Part Number11981
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerIndiana Mills & Manufacturing Inc Dba Indiana Mills & Manufacturing Inc
StatusACTIVE
Thread Quantity Per Inch20
Fastener Length1.000 INCHES NOMINAL IN
Nominal Thread Diameter0.437 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5815-00-243-8497SC-C-69626 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-283-44331981584-1 INTERCHANGEABLE
Reactor
Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems
6660-00-663-81211198-1 INTERCHANGEABLE
Meteorological Station,manual
Entron Industries Limited Partnership Dba Entron Industries Property Div
5950-00-706-9437 INTERCHANGEABLE
Coil,radio Frequency
5930-00-864-67972134838 INTERCHANGEABLE
Switch,rotary
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5930-00-967-4499 INTERCHANGEABLE
Insert,push Button
5998-01-103-5087 INTERCHANGEABLE
Circuit Card Assembly
4720-01-211-089211981 INTERCHANGEABLE
Hose
Westerbeke Corporation
6145-01-356-014411981 INTERCHANGEABLE
Cable,special Purpose,electrical
Nexans Aerospace Usa Llc
5120-01-430-7985 INTERCHANGEABLE
Extension,socket Wrench
Cross-Reference Index
Part NumberManufacturer
11981 PRIMARY Indiana Mills & Manufacturing Inc Dba Indiana Mills & Manufacturing Inc (USA)
Related Parts
5815-00-243-8497INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SC-C-69626
5950-00-283-4433INTERCHANGEABLE
REACTOR
1981584-1
6660-00-663-8121INTERCHANGEABLE
METEOROLOGICAL STATION,MANUAL
1198-1
5950-00-706-9437INTERCHANGEABLE
COIL,RADIO FREQUENCY
5930-00-864-6797INTERCHANGEABLE
SWITCH,ROTARY
2134838
5930-00-967-4499INTERCHANGEABLE
INSERT,PUSH BUTTON
5998-01-103-5087INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4720-01-211-0892INTERCHANGEABLE
HOSE
11981
6145-01-356-0144INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
11981
5120-01-430-7985INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
7025-01-475-8065INTERCHANGEABLE
KEYBOARD,DATA ENTRY
11981
6550-01-574-6867INTERCHANGEABLE
CHLORINE TEST TABLETS

Frequently Asked Questions

What is NSN 5305-01-586-8528?

NSN 5305-01-586-8528 is a Screw,cap,hexagon Head, manufactured by Indiana Mills & Manufacturing Inc Dba Indiana Mills & Manufacturing Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-586-8528?

NSN 5305-01-586-8528 has 1 cross-referenced part number: 11981 (Indiana Mills & Manufacturing Inc Dba Indiana Mills & Manufacturing Inc).

What NSN replaces 5305-01-586-8528?

There are 12 known substitutes for 5305-01-586-8528: 5815-00-243-8497, 5950-00-283-4433, 6660-00-663-8121 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11981?

Key specifications for 11981: End Item Identification: MRAP-MATV; Thread Quantity Per Inch: 20; Fastener Length: 1.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.437 INCHES IN. 4 total characteristics are documented in the Federal Logistics Information System.

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