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8-138-N300-90 — RETAINER,PACKING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8-138-N300-90: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, temp_rating: -40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL OVERALL, peripheral_diameter: 2.292 INCHES MINIMUM AND 2.338 INCHES MAXIMUM IN, center_hole_diameter: 2.126 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN, cross-sectional_height: 0.053 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-142-0151, 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
8-138-N300-90
NSN: 5310-01-142-0151
NIINs: 011420151, 012134227
FSC: 5310 — Nuts and Washers
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
temp_rating-40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
hardness_rating90.0 SHORE DUROMETER A NOMINAL OVERALL
peripheral_diameter2.292 INCHES MINIMUM AND 2.338 INCHES MAXIMUM IN
center_hole_diameter2.126 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN
cross-sectional_height0.053 INCHES MINIMUM IN
cross-sectional_shape_styleU
NSN5310-01-142-0151
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8-138-N300-90 · 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8-138-N300-90?
8-138-N300-90 is a RETAINER,PACKING.
What is the NSN for 8-138-N300-90?
8-138-N300-90 is cataloged in the U.S. Government catalog under NSN 5310-01-142-0151. 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.