PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-F-85731/1Leaf,butt Hinge

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5340-01-252-0792 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-252-0792 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-252-0792. Primary manufacturer part number: MIL-F-85731/1.
Features
  • Leaf,butt Hinge — FSC 5340
  • Knuckle Inside Diameter: 0.128 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
  • Hinge Pin: NOT INCLUDED
  • Pin Center to Body Edge Distance: 0.344 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.195 INCHES NOMINAL IN
  • Knuckle Type: FRICTION
  • Knuckle Quantity: 2
  • Center to Center Distance Between Mounting Holes Along Length: 1.000 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 630 or Steel Uns J92200 Overall construction
General Description

The Leaf,butt Hinge, cataloged under National Stock Number 5340-01-252-0792, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-252-0792
Primary Part NumberMIL-F-85731/1
Item NameLeaf,butt Hinge
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Knuckle Inside Diameter0.128 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
Hinge PinNOT INCLUDED
Pin Center to Body Edge Distance0.344 INCHES NOMINAL IN
Mounting Hole Diameter0.195 INCHES NOMINAL IN
Knuckle TypeFRICTION
Knuckle Quantity2
Center to Center Distance Between Mounting Holes Along Length1.000 INCHES NOMINAL IN
Knuckle Length0.125 INCHES NOMINAL IN
MaterialSTEEL COMP 630 OR STEEL UNS J92200 OVERALL
Style DesignatorBUTT PARALLEL HOLES
Performance TypeNOT RATED
Mounting Hole Quantity2
Material Thickness0.125 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Reversible FeatureNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-01-406-9707
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
Strike,catch
Cross-Reference Index
Part NumberManufacturer
MIL-F-85731/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS14108-17C Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
10113031 Nimikkeistokeskus Ncb Finland (FIN)
M85731/1-17C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-85731/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 5340-01-406-9707 Strike,catch

Frequently Asked Questions

What is NSN 5340-01-252-0792?

NSN 5340-01-252-0792 is a Leaf,butt Hinge, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-252-0792?

NSN 5340-01-252-0792 has 5 cross-referenced part numbers: MIL-F-85731/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS14108-17C (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 10113031 (Nimikkeistokeskus Ncb Finland), M85731/1-17C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-85731/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5340-01-252-0792?

There is 1 known substitute for 5340-01-252-0792: 5340-01-406-9707. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-F-85731/1?

Key specifications for MIL-F-85731/1: Knuckle Inside Diameter: 0.128 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Overall Length: 1.500 INCHES NOMINAL IN; Hinge Pin: NOT INCLUDED; Pin Center to Body Edge Distance: 0.344 INCHES NOMINAL IN. 17 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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