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266892 — NUT,SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

266892: NUT,SLEEVE.

The NUT,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: SLEEVE, nut_length: 0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN, nut_diameter: 0.3615 INCHES MINIMUM AND 0.3635 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-596-5921, 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
266892
NSN: 5310-00-596-5921
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleSLEEVE
nut_length0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
nut_diameter0.3615 INCHES MINIMUM AND 0.3635 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
hardness_rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
flange_thickness0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
nominal_thread_size0.250 INCHES IN
cross-sectional_shapeHEXAGONAL FLANGE
NSN5310-00-596-5921
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 266892 · 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
•
FLANGE WIDTH ACROSS FLATS: 0.493 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
•
NUT LENGTH: 0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
•
HOLE CONFIGURATION STYLE: CONFIGURATION A
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
FLANGE WIDTH ACROSS FLATS0.493 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
NUT LENGTH0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
FLANGE THICKNESS0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
THREAD SERIESUNF
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION A
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
NUT DIAMETER0.3615 INCHES MINIMUM AND 0.3635 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
QAP00408Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 266892?
266892 is a NUT,SLEEVE.
What parts can replace 266892?
There is 1 known substitute for 266892: QAP00408. Substitute compatibility should be verified for your specific system.
What is the NSN for 266892?
266892 is cataloged in the U.S. Government catalog under NSN 5310-00-596-5921. 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.