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B-5HA12AX1 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B-5HA12AX1: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include overall_width: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN, overall_length: 1.380 INCHES NOMINAL1.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-357-8138, 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
B-5HA12AX1
NSN: 5315-01-357-8138
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
overall_width0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
overall_length1.380 INCHES NOMINAL1.380 INCHES NOMINAL IN
NSN5315-01-357-8138
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B-5HA12AX1 · OEM ⚠ 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
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
OVERALL LENGTH1.380 INCHES NOMINAL1.380 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES 2
5HA12AX1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
PL-11940-F-18 PIECE 12Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B-5HA12AX1?
B-5HA12AX1 is a KEY,MACHINE.
What parts can replace B-5HA12AX1?
There are 2 known substitutes for B-5HA12AX1: 5HA12AX1, PL-11940-F-18 PIECE 12. Substitute compatibility should be verified for your specific system.
What is the NSN for B-5HA12AX1?
B-5HA12AX1 is cataloged in the U.S. Government catalog under NSN 5315-01-357-8138. 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.