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128BM11014-3 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

128BM11014-3: LEAF,BUTT HINGE.

The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, hinge_pin: NOT INCLUDED, knuckle_type: FRICTION, knuckle_length: 0.241 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN, overall_length: 5.500 INCHES NOMINAL IN, knuckle_quantity: 11. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-971-0102, 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
128BM11014-3
NSN: 5340-00-971-0102
FSC: 5340 — Hardware, Commercial
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 410 OVERALL
hinge_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_length0.241 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
overall_length5.500 INCHES NOMINAL IN
knuckle_quantity11
performance_typeNOT RATED
style_designatorBUTT PARALLEL HOLES
surface_treatmentCADMIUM OVERALL
material_thickness0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
reversible_featureNOT INCLUDED
mounting_hole_quantity9
NSN5340-00-971-0102
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 128BM11014-3 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
•
MOUNTING HOLE QUANTITY: 9
•
REVERSIBLE FEATURE: NOT INCLUDED
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: GSS 8050 FSCM 26512 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
KNUCKLE INSIDE DIAMETER: 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BUTT PARALLEL HOLES
•
MATERIAL DOCUMENT AND CLASSIFICATION: Q-S-763 CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PIN CENTER TO BODY EDGE DISTANCE: 0.687 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY9
REVERSIBLE FEATURENOT INCLUDED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGSS 8050 FSCM 26512 MFR REF SINGLE TREATMENT RESPONSE OVERALL
KNUCKLE INSIDE DIAMETER0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
STYLE DESIGNATORBUTT PARALLEL HOLES
MATERIAL DOCUMENT AND CLASSIFICATIONQ-S-763 CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH5.500 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE0.687 INCHES NOMINAL IN
HINGE PINNOT INCLUDED
MATERIAL THICKNESS0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 128BM11014-3?
128BM11014-3 is a LEAF,BUTT HINGE.
What is the NSN for 128BM11014-3?
128BM11014-3 is cataloged in the U.S. Government catalog under NSN 5340-00-971-0102. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.