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48146 — RETAINER,DISK,VALVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

48146: RETAINER,DISK,VALVE.

The RETAINER,DISK,VALVE is a the manufacturer industrial component. Key specifications include special_features: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-069-7754, 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
48146
NSN: 5315-01-069-7754
NIINs: 010697754, 013042874
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
special_featuresSTEEL
NSN5315-01-069-7754
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 48146 · 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
•
FIRST END TAPER LENGTH: 0.0900 INCHES NOMINAL0.0900 INCHES NOMINAL IN
•
FIRST STEP DIAMETER: 0.155 INCHES MINIMUM AND 0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM0.156 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFEREDCHAMFERED
•
SECOND STEP LENGTH: 0.370 INCHES NOMINAL0.370 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
PIN HEAD DIAMETER: 0.1560 INCHES NOMINAL0.1560 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA582 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.0900 INCHES NOMINAL0.0900 INCHES NOMINAL IN
FIRST STEP DIAMETER0.155 INCHES MINIMUM AND 0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM0.156 INCHES MAXIMUM IN
UNDER HEAD LENGTH0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
FIRST END STYLECHAMFEREDCHAMFERED
SECOND STEP LENGTH0.370 INCHES NOMINAL0.370 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
PIN HEAD DIAMETER0.1560 INCHES NOMINAL0.1560 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA582 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL45.0 DEGREES NOMINAL
HEAD STYLEDRIVEDRIVE
SUBSTITUTES & CROSS-REFERENCES 1
957B048146Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 48146?
48146 is a RETAINER,DISK,VALVE.
What parts can replace 48146?
There is 1 known substitute for 48146: 957B048146. Substitute compatibility should be verified for your specific system.
What is the NSN for 48146?
48146 is cataloged in the U.S. Government catalog under NSN 5315-01-069-7754. 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.