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204960 — FLARING TOOL,TUBE,HAND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

204960: FLARING TOOL,TUBE,HAND.

The FLARING TOOL,TUBE,HAND is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: FOR ELIPTICAL WAVEGUIDE 127, supplementary_features: AIDS IN FIELD INSTALLATION OF CONNECTORS, part_name_assigned_by_controlling_agency: FLAIRING TOOL KIT. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-982-4988, 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
204960
NSN: 5310-00-982-4988
NIINs: 009824988, 012981258, 017357430
FSC: 5310 — Nuts and Washers
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
materialSTEEL
special_featuresFOR ELIPTICAL WAVEGUIDE 127
supplementary_featuresAIDS IN FIELD INSTALLATION OF CONNECTORS
part_name_assigned_by_controlling_agencyFLAIRING TOOL KIT
NSN5310-00-982-4988
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 204960 · 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
•
LUBRICATION: DRY FILM LUBRICANT
•
WIDTH ACROSS FLATS: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
•
BEARING SURFACE FINISH: 125.0 MICROINCHES
•
THREAD SERIES: UNF
•
TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
COUNTERBORE DIAMETER: 0.253 INCHES MINIMUM AND 0.293 INCHES MAXIMUM NUT IN
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
WIDTH ACROSS FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
BEARING SURFACE FINISH125.0 MICROINCHES
THREAD SERIESUNF
TEMP RATING450.0 FAHRENHEIT NOMINAL DEGF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
COUNTERBORE DIAMETER0.253 INCHES MINIMUM AND 0.293 INCHES MAXIMUM NUT IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT0.240 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 7
H57-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
58FH-428Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS21045C4Reference document
Same NSN cross-reference
Reference document — Secondary reference
118042Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
13207E8525FN5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5310PL0929202Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 204960?
204960 is a FLARING TOOL,TUBE,HAND.
What parts can replace 204960?
There are 7 known substitutes for 204960: H57-4, 58FH-428, MS21045C4 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 204960?
204960 is cataloged in the U.S. Government catalog under NSN 5310-00-982-4988. 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.