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625-1346-004 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

625-1346-004: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 OVERALL, overall_width: 0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, overall_height: 0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, overall_length: 0.344 INCHES NOMINAL IN, style_designator: PLAIN, material_document_and_classification: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-272-0457, 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
625-1346-004
NSN: 5315-01-272-0457
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 OVERALL
overall_width0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
overall_height0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
overall_length0.344 INCHES NOMINAL IN
style_designatorPLAIN
material_document_and_classificationQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-272-0457
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 625-1346-004 · 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
KEY FEATURES
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1018 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.344 INCHES NOMINAL IN
OVERALL WIDTH0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1018 OVERALL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 625-1346-004?
625-1346-004 is a KEY,MACHINE.
What is the NSN for 625-1346-004?
625-1346-004 is cataloged in the U.S. Government catalog under NSN 5315-01-272-0457. 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.