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122371-1 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

122371-1: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, special_features: MADE FROM NAS620C6L, peripheral_shape_style: DEE, center_hole_shape_style: ROUND, cross-sectional_shape_style: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-167-0484, 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
122371-1
NSN: 5310-01-167-0484
NIINs: 011670484, 011894920, 012590415
FSC: 5310 — Nuts and Washers
CAGE: 51998 — UNIVERSAL PROPULSION COMPANY INC DBA GOODRICH DIV UNIVERSAL PROPULSION CO., INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
special_featuresMADE FROM NAS620C6L
peripheral_shape_styleDEE
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-167-0484
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 122371-1 · 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
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THREAD SERIES: UN
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/9,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 1.125 INCHES IN
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NUT DIAMETER: 1.375 INCHES NOMINAL IN
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DRIVE POINT DEPTH: 0.107 INCHES NOMINAL IN
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NUT THICKNESS: 0.950 INCHES NOMINAL IN
•
DRIVE POINT DIAMETER: 0.135 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.125 INCHES IN
NUT DIAMETER1.375 INCHES NOMINAL IN
DRIVE POINT DEPTH0.107 INCHES NOMINAL IN
NUT THICKNESS0.950 INCHES NOMINAL IN
DRIVE POINT DIAMETER0.135 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
DRIVE POINT QUANTITY4
NUT STYLEROUND
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 122371-1?
122371-1 is a WASHER,FLAT.
What is the NSN for 122371-1?
122371-1 is cataloged in the U.S. Government catalog under NSN 5310-01-167-0484. 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.