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21431-2 — PARTS KIT,PUMP,DEPOT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

21431-2: PARTS KIT,PUMP,DEPOT.

The PARTS KIT,PUMP,DEPOT is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CONSISTS OF REPAIR PARTS FOR PUMP PART NUMBER 223-948033. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-003-7863, 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
21431-2
NSN: 5315-00-003-7863
NIINs: 000037863, 002500631, 011004538
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 31361 — WOODWARD, INC. (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSISTS OF REPAIR PARTS FOR PUMP PART NUMBER 223-948033
NSN5315-00-003-7863
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21431-2 · 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
•
CHAMFER LENGTH: 0.047 INCHES NOMINAL IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
UNDER HEAD LENGTH: 0.594 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 15.0 DEGREES NOMINAL
•
FIRST HOLE DIAMETER: 0.076 INCHES NOMINAL IN
•
HARDNESS RATING: 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.047 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
UNDER HEAD LENGTH0.594 INCHES NOMINAL IN
PIN CHAMFER ANGLE15.0 DEGREES NOMINAL
FIRST HOLE DIAMETER0.076 INCHES NOMINAL IN
HARDNESS RATING89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.312 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.184 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
5315PL0940912Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 21431-2?
21431-2 is a PARTS KIT,PUMP,DEPOT.
What parts can replace 21431-2?
There is 1 known substitute for 21431-2: 5315PL0940912. Substitute compatibility should be verified for your specific system.
What is the NSN for 21431-2?
21431-2 is cataloged in the U.S. Government catalog under NSN 5315-00-003-7863. 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.