PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ANSI/ BHMA A156.20- A81221Hinge,strap

Builders Hardware Mfrs Assn Inc · NSN 5340-00-240-2579 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-240-2579 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-240-2579. Primary manufacturer part number: ANSI/ BHMA A156.20- A81221.
Features
  • Hinge,strap — FSC 5340
  • Knuckle Quantity: 3
  • Reversible Feature: NOT INCLUDED
  • Pin Center to Body Edge Distance: 10.000 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.169 INCHES NOMINAL IN
  • Material Document and Classification: QQ-B-626, COMP 11 FED SPEC SINGLE MATERIAL RESPONSE AND FED STD 66, COMP 302, 303, OR 304 FED STD SINGLE MATERIAL RESPONSE PIN
  • Surface Treatment Document and Classification: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE BODY
  • Body Width: 3.625 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy and Steel Corrosion Resisting Pin construction
General Description

The Hinge,strap, cataloged under National Stock Number 5340-00-240-2579, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Builders Hardware Mfrs Assn Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: PR.

Technical Specifications
ParameterValue
NSN5340-00-240-2579
Primary Part NumberANSI/ BHMA A156.20- A81221
Item NameHinge,strap
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerBuilders Hardware Mfrs Assn Inc
StatusCANCELLED
Knuckle Quantity3
Reversible FeatureNOT INCLUDED
Pin Center to Body Edge Distance10.000 INCHES NOMINAL IN
Mounting Hole Diameter0.169 INCHES NOMINAL IN
Material Document and ClassificationQQ-B-626, COMP 11 FED SPEC SINGLE MATERIAL RESPONSE AND FED STD 66, COMP 302, 303, OR 304 FED STD SINGLE MATERIAL RESPONSE PIN
Surface Treatment Document and ClassificationASTM A153 ASSN STD SINGLE TREATMENT RESPONSE BODY
Body Width3.625 INCHES NOMINAL IN
Material Thickness0.139 INCHES NOMINAL IN
Mounting Hole Quantity6
Knuckle TypeFRICTION
Performance TypeNOT RATED
Style DesignatorSTRAP
MaterialCOPPER ALLOY AND STEEL CORROSION RESISTING PIN
Surface TreatmentZINC BODY
MaterialSTEEL BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5340-00-200-7561
HAZMATNo
Unit of IssuePR
Verified Substitutes 12
Hinge,tee
Hinge,tee
5340-00-229-4359BHMA-A156.1 A2133 3-1/2IN SUCCESSOR
Hinge,butt
Builders Hardware Mfrs Assn Inc
5340-00-229-437001555 SUCCESSOR
Hinge,butt
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5340-00-229-4372B21491 SUCCESSOR
Hinge,butt
American National Standards Institute Incorporated Dba American National Standards Institute
Hinge,butt
Hinge,butt
5340-00-235-1808BHMA-A156.20 A83162 3-1/4IN SUCCESSOR
Hasp,hinged
Builders Hardware Mfrs Assn Inc
Hinge,butt
5340-00-240-2580BHMA-A156.20 A81221 12IN SUCCESSOR
Hinge,strap
Builders Hardware Mfrs Assn Inc
Cross-Reference Index
Part NumberManufacturer
SC922 Lawrence Bros Inc (USA)
FFH116 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ANSI/ BHMA A156.20- A81221 PRIMARY Builders Hardware Mfrs Assn Inc (USA)
BHMA-A156.20 Builders Hardware Mfrs Assn Inc (USA)
MS27972-26 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
ANSI/ BHMA A156.20 Builders Hardware Mfrs Assn Inc (USA)
Related Parts
SUCCESSOR 5340-00-200-7561 Hinge,tee
5340-00-240-2592SUCCESSOR
HINGE,TEE
5340-00-229-4359SUCCESSOR
HINGE,BUTT
BHMA-A156.1 A2133 3-1/2IN
5340-00-229-4370SUCCESSOR
HINGE,BUTT
01555
5340-00-229-4372SUCCESSOR
HINGE,BUTT
B21491
5340-00-229-4373SUCCESSOR
HINGE,BUTT
5340-00-229-4374SUCCESSOR
HINGE,BUTT
5340-00-235-1808SUCCESSOR
HASP,HINGED
BHMA-A156.20 A83162 3-1/4IN
5340-00-240-0038SUCCESSOR
HINGE,BUTT
5340-00-240-2580SUCCESSOR
HINGE,STRAP
BHMA-A156.20 A81221 12IN
5340-00-240-2583SUCCESSOR
HINGE,STRAP
BHMA-A156.20 A81222 3IN
5340-00-240-2584SUCCESSOR
HINGE,STRAP
BHMA-A156.20 A81221 4IN

Frequently Asked Questions

What is NSN 5340-00-240-2579?

NSN 5340-00-240-2579 is a Hinge,strap, manufactured by Builders Hardware Mfrs Assn Inc, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-240-2579?

NSN 5340-00-240-2579 has 6 cross-referenced part numbers: SC922 (Lawrence Bros Inc), FFH116 (Federal Specifications Promulgated by General Services Administration Washington DC), ANSI/ BHMA A156.20- A81221 (Builders Hardware Mfrs Assn Inc), BHMA-A156.20 (Builders Hardware Mfrs Assn Inc), MS27972-26 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5340-00-240-2579?

There are 12 known substitutes for 5340-00-240-2579: 5340-00-240-2592, 5340-00-200-7561, 5340-00-229-4359 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ANSI/ BHMA A156.20- A81221?

Key specifications for ANSI/ BHMA A156.20- A81221: Knuckle Quantity: 3; Reversible Feature: NOT INCLUDED; Pin Center to Body Edge Distance: 10.000 INCHES NOMINAL IN; Mounting Hole Diameter: 0.169 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-240-2579 still in active supply?

NSN 5340-00-240-2579 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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