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ANN5 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ANN5: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: PLATE, nut_height: 0.281 INCHES NOMINAL IN, nut_length: 0.716 INCHES NOMINAL IN, temp_rating: 800.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-188-7935, 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
ANN5
NSN: 5310-00-188-7935
NIINs: 001887935, 001972314, 002074758, 002082649, 002084155, 002084292, 002277139, 002656762, 002664402, 002664409, 002664456, 002664461, 002727006, 002727030, 002748891, 002750720, 002750784, 002811373, 002820512, 002824262, 002827839, 002827841, 002827846, 002827847, 002827848, 002827849, 002827851, 002827852, 002827854, 002827858, 002855562, 002855563, 002855632, 002855634, 002855640, 002855641, 002855642, 002855646, 002855647, 002855649, 002905758, 004331146, 004973853, 005434700, 005435106, 005969691, 006556631, 008010668
FSC: 5310 — Nuts and Washers
CAGE: 81352 — AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_stylePLATE
nut_height0.281 INCHES NOMINAL IN
nut_length0.716 INCHES NOMINAL IN
temp_rating800.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.047 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL NUT
precious_materialSILVER
NSN5310-00-188-7935
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ANN5 · 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
•
THREAD SERIES: UNF
•
NUT QUANTITY: 72
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
ASSEMBLY OVERALL HEIGHT: 0.469 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUNF
NUT QUANTITY72
OVERALL LENGTH72.000 INCHES NOMINAL IN
OVERALL WIDTH0.859 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
ASSEMBLY OVERALL HEIGHT0.469 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM NUT
SURFACE TREATMENTANODIZE CHANNEL
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
22G5-048-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ANN5?
ANN5 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace ANN5?
There is 1 known substitute for ANN5: 22G5-048-8. Substitute compatibility should be verified for your specific system.
What is the NSN for ANN5?
ANN5 is cataloged in the U.S. Government catalog under NSN 5310-00-188-7935. This indicates validated use in U.S. government and defense supply chains.
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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.