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PL-D-4453 PIECE — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

PL-D-4453 PIECE: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 OVERALL, overall_width: 0.500 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, overall_length: 3.000 INCHES NOMINAL IN, style_designator: PLAIN, starting_edge_shape: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-241-6725, 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
PL-D-4453 PIECE
NSN: 5315-00-241-6725
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 OVERALL
overall_width0.500 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
overall_length3.000 INCHES NOMINAL IN
style_designatorPLAIN
starting_edge_shapeSTRAIGHT
NSN5315-00-241-6725
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PL-D-4453 PIECE · 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
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: STEEL COMP 1018 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORPLAIN
OVERALL LENGTH3.000 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
MATERIALSTEEL COMP 1018 OVERALL
SUBSTITUTES & CROSS-REFERENCES 5
PL-D4503PC77Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
OO-K-220A TY2 ST1 GRCReference document
Same NSN cross-reference
Reference document — Identification reference
P4100500300Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
A-1978-77Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A-1978 PIECE 77Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PL-D-4453 PIECE?
PL-D-4453 PIECE is a KEY,MACHINE.
What parts can replace PL-D-4453 PIECE?
There are 5 known substitutes for PL-D-4453 PIECE: PL-D4503PC77, OO-K-220A TY2 ST1 GRC, P4100500300 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PL-D-4453 PIECE?
PL-D-4453 PIECE is cataloged in the U.S. Government catalog under NSN 5315-00-241-6725. 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.