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Technical Data Sheet
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128757 — KEY,WOODRUFF

✓ Government record, cited
Hama · NUT WASHER
PRODUCT OVERVIEW

128757: KEY,WOODRUFF.

- Designed to keep your luggage closed during transportation - Durable and adjustable luggage strap made from fabric-reinforced material - Helps make your luggage easily recognisable - With an inconspicuous address field This part is cataloged in the U.S. Government catalog under NSN 5315-00-011-7976, 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
128757
NSN: 5315-00-011-7976
NIINs: 000117976, 014551063, 016813644
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 76894 — CELTRAC CORP (USA)
SPECIFICATIONS
special_features60 AMPRES
end_item_identificationSYNCROWAVE 250
NSN5315-00-011-7976
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 128757 · Hama ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HARDNESS RATING: 10.0 ROCKWELL C MINIMUM OVERALL
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: ROUND BOTTOM
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CIRCLE DIAMETER: 0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
•
KEY HEIGHT: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
KEY SIZE DESIGNATION: WOODRUFF 12
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING10.0 ROCKWELL C MINIMUM OVERALL
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORROUND BOTTOM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CIRCLE DIAMETER0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
KEY HEIGHT0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
KEY SIZE DESIGNATIONWOODRUFF 12
MATERIALSTEEL OVERALL
THICKNESS0.218 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 6
BB8807Reference document
Same NSN cross-reference
Reference document — Secondary reference
117976Reference document
Same NSN cross-reference
Reference document — Secondary reference
306329Reference document
Same NSN cross-reference
Reference document — Secondary reference
3548805Reference document
Same NSN cross-reference
Reference document — Secondary reference
84110Reference document
Same NSN cross-reference
Reference document — Secondary reference
18839JReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 128757?
128757 is a KEY,WOODRUFF manufactured by Hama.
What parts can replace 128757?
There are 6 known substitutes for 128757: BB8807, 117976, 306329 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 128757?
128757 is cataloged in the U.S. Government catalog under NSN 5315-00-011-7976. 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.