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B135725-1 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B135725-1: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, overall_width: 0.750 INCHES NOMINAL IN, overall_height: 0.312 INCHES NOMINAL IN, overall_length: 0.801 INCHES NOMINAL IN, style_designator: FLAT, end_item_identification: AN/BRR6 UNIT. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-649-7141, 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
B135725-1
NSN: 5315-01-649-7141
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 13030 — LOCKHEED MARTIN SIPPICAN, INC. DIV COMMUNICATION DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
overall_width0.750 INCHES NOMINAL IN
overall_height0.312 INCHES NOMINAL IN
overall_length0.801 INCHES NOMINAL IN
style_designatorFLAT
end_item_identificationAN/BRR6 UNIT
part_name_assigned_by_controlling_agencyKEY BEARING
NSN5315-01-649-7141
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B135725-1 · 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: FLAT
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.312 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
OVERALL LENGTH0.801 INCHES NOMINAL IN
OVERALL WIDTH0.750 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYKEY BEARING
END ITEM IDENTIFICATIONAN/BRR6 UNIT
MATERIALCOPPER ALLOY 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B135725-1?
B135725-1 is a KEY,MACHINE.
What is the NSN for B135725-1?
B135725-1 is cataloged in the U.S. Government catalog under NSN 5315-01-649-7141. 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.