PartsTable / COMPONENT / 251289
251289
✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW
SLIDE,DIRECTIONAL CONTROL LINEAR. Key specifications include special_features: ITEM NOW INCLUDES P/N 227556, VALVE PLUG. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-732-0560, 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
251289
NSN: 5310-00-732-0560 FSC: 5310 CAGE: H0001 — DAF TRUCKS N.V. (NLD)
SPECIFICATIONS
special_features ITEM NOW INCLUDES P/N 227556, VALVE PLUG NSN 5310-00-732-0560
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED
Hex NUT
CROSS-SECTION
WASHER OD: —
SIZE: —
MATERIAL: —
PN: 251289 · 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
• NUT HEIGHT: 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
• SURFACE TREATMENT: CADMIUM OVERALL
• WIDTH ACROSS FLATS: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
• NOMINAL THREAD SIZE: 0.500 INCHES IN
• HARDNESS RATING: 121.0 BRINELL STANDARD MINIMUM
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS 2B NUT STYLE HEXAGON NUT HEIGHT 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN SURFACE TREATMENT CADMIUM OVERALL THREAD SERIES UNF WIDTH ACROSS FLATS 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN NOMINAL THREAD SIZE 0.500 INCHES IN HARDNESS RATING 121.0 BRINELL STANDARD MINIMUM END ITEM IDENTIFICATION HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS) THREAD QUANTITY PER INCH 20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
75000 Interchangeable interchangeable cross-reference
interchangeable
SG21CU Interchangeable interchangeable cross-reference
interchangeable
121-965 Interchangeable interchangeable cross-reference
interchangeable
73-90913-1 Interchangeable interchangeable cross-reference
interchangeable
803-10 Interchangeable interchangeable cross-reference
interchangeable
LA548-8 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 251289?
251289 is a SLIDE,DIRECTIONAL CONTROL LINEAR.
What parts can replace 251289?
There are 23 known substitutes for 251289: 75000, SG21CU, 121-965 and 20 more. Substitute compatibility should be verified for your specific system.
Is 251289 still available?
251289 is currently cancelled.