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490122 — COUPLING,PIPE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

490122: COUPLING,PIPE.

The COUPLING,PIPE is a the manufacturer industrial component. Key specifications include specific_use: ICE, special_features: UNPACKAGED WEIGHT, 6.2 OUNCES OZ. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-997-6834, 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
490122
NSN: 5310-00-997-6834
NIINs: 009976834, 013087176, 013302849, 015214442
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
specific_useICE
special_featuresUNPACKAGED WEIGHT, 6.2 OUNCES OZ
NSN5310-00-997-6834
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 490122 · 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
•
PLATE THICKNESS: 0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
NUT LENGTH: 1.266 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
PLATE WIDTH: 0.501 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
•
THREAD PITCH DIAMETERS: +0.2720 TO 0.2800 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MOUNTING HOLE DIAMETER: 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
PLATE THICKNESS0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
NUT LENGTH1.266 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN
THREAD SERIESUNF
PLATE WIDTH0.501 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
THREAD PITCH DIAMETERS+0.2720 TO 0.2800 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MOUNTING HOLE DIAMETER0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.313 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 2
D52ZA6642-054Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
940122Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 490122?
490122 is a COUPLING,PIPE.
What parts can replace 490122?
There are 2 known substitutes for 490122: D52ZA6642-054, 940122. Substitute compatibility should be verified for your specific system.
What is the NSN for 490122?
490122 is cataloged in the U.S. Government catalog under NSN 5310-00-997-6834. 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.