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01877-2088 — KEY,WOODRUFF

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

01877-2088: KEY,WOODRUFF.

The KEY,WOODRUFF is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.312 INCHES NOMINAL IN, key_height: 0.406 INCHES NOMINAL IN, overall_length: 1.250 INCHES NOMINAL IN, circle_diameter: 2.125 INCHES NOMINAL IN, style_designator: ROUND BOTTOM RELIEVED ENDS. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-271-7307, 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
01877-2088
NSN: 5315-00-271-7307
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 93568 — HARSCO CORP BMY-COMBAT SYSTEMS DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.312 INCHES NOMINAL IN
key_height0.406 INCHES NOMINAL IN
overall_length1.250 INCHES NOMINAL IN
circle_diameter2.125 INCHES NOMINAL IN
style_designatorROUND BOTTOM RELIEVED ENDS
starting_edge_shapeSTRAIGHT
key_size_designationWOODRUFF 128
NSN5315-00-271-7307
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 01877-2088 · 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: ROUND BOTTOM RELIEVED ENDS
•
CIRCLE DIAMETER: 2.125 INCHES NOMINAL IN
•
KEY HEIGHT: 0.406 INCHES NOMINAL IN
•
KEY SIZE DESIGNATION: WOODRUFF 128
•
MATERIAL: STEEL OVERALL
•
THICKNESS: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORROUND BOTTOM RELIEVED ENDS
OVERALL LENGTH1.250 INCHES NOMINAL IN
CIRCLE DIAMETER2.125 INCHES NOMINAL IN
KEY HEIGHT0.406 INCHES NOMINAL IN
KEY SIZE DESIGNATIONWOODRUFF 128
MATERIALSTEEL OVERALL
THICKNESS0.312 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
1877-2088Reference 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 01877-2088?
01877-2088 is a KEY,WOODRUFF.
What parts can replace 01877-2088?
There is 1 known substitute for 01877-2088: 1877-2088. Substitute compatibility should be verified for your specific system.
What is the NSN for 01877-2088?
01877-2088 is cataloged in the U.S. Government catalog under NSN 5315-00-271-7307. 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.