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Technical Data Sheet

A156.20 A81222 — Technical Data Sheet

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— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The HINGE,STRAP is a the manufacturer industrial component. Key specifications include material: STEEL BODY, body_width: 1.094 INCHES NOMINAL IN, knuckle_type: FRICTION, performance_type: NOT RATED, style_designator: STRAP, surface_treatment: ZINC BODY. This part is cataloged in the Federal Logistics Information System under NSN 5340-00-240-2583, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
A156.20 A81222
NSN: 5340-00-240-2583
FSC: 5340
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
materialSTEEL BODY
body_width1.094 INCHES NOMINAL IN
knuckle_typeFRICTION
knuckle_quantity3
performance_typeNOT RATED
style_designatorSTRAP
surface_treatmentZINC BODY
material_thickness0.065 INCHES NOMINAL IN
reversible_featureNOT INCLUDED
mounting_hole_diameter0.144 INCHES NOMINAL IN
mounting_hole_quantity6
pin_center_to_body_edge_distance3.000 INCHES NOMINAL IN
NSN5340-00-240-2583
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A156.20 A81222 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE BODY
•
STYLE DESIGNATOR: STRAP
•
MATERIAL: STEEL BODY
•
MOUNTING HOLE DIAMETER: 0.144 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.065 INCHES NOMINAL IN
•
BODY WIDTH: 1.094 INCHES NOMINAL IN
•
PIN CENTER TO BODY EDGE DISTANCE: 3.000 INCHES NOMINAL IN
•
KNUCKLE QUANTITY: 3
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A153 ASSN STD SINGLE TREATMENT RESPONSE BODY
STYLE DESIGNATORSTRAP
MATERIALSTEEL BODY
MOUNTING HOLE DIAMETER0.144 INCHES NOMINAL IN
MATERIAL THICKNESS0.065 INCHES NOMINAL IN
BODY WIDTH1.094 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE3.000 INCHES NOMINAL IN
KNUCKLE QUANTITY3
MATERIALCOPPER ALLOY AND STEEL CORROSION RESISTING PIN
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
BHMA-A156.20Upgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
MS27970-26Upgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
FFH116Upgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
BHMA-A156.1 A2133 3-1/2INUpgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
ANSI A156.1 A2133Upgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
01555Upgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A156.20 A81222?
A156.20 A81222 is a HINGE,STRAP.
What parts can replace A156.20 A81222?
There are 19 known substitutes for A156.20 A81222: BHMA-A156.20, MS27970-26, FFH116 and 16 more. Substitute compatibility should be verified for your specific system.
Is A156.20 A81222 still available?
A156.20 A81222 is currently cancelled.
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