PartsTable
Technical Data Sheet
N13277 ✓ Verified by PartsTable
· BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The PARTS KIT,AIR HORN is a the manufacturer industrial component. Key specifications include material: STEEL COMP B1112, thread_class: 3A NUT THREAD A A, thread_length: 0.750 INCHES MINIMUM NUT THREAD A IN, overall_length: 16.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND NUT THREAD A, nominal_thread_size: 0.250 INCHES NUT THREAD A IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-521-4377, 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
N13277
NSN: 5306-00-521-4377
FSC: 5306
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL COMP B1112
thread_class3A NUT THREAD A A
thread_length0.750 INCHES MINIMUM NUT THREAD A IN
overall_length16.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND NUT THREAD A
nominal_thread_size0.250 INCHES NUT THREAD A IN
end_item_identification3930-01-059-4935
thread_quantity_per_inch28 NUT THREAD A
thread_series_designatorUNF NUT THREAD A
material_document_and_classificationQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE
general_characteristics_item_descriptionCONSISTS OF P/N 10220 DIAPHRAGM EA 1; P/N 10314 GASKET EA 1; P/N 14023 SCREW COVER MOUNTING EA 3; P/N 01013 SEAL ADJUSTING SCREW EA 1; P/N 14030 SCREW EA 3; P/N 15025 HEX NUT EA 3
NSN5306-00-521-4377
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: N13277 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
THREAD SERIES DESIGNATOR: UNF NUT THREAD A
THREAD CLASS: 3A NUT THREAD A A
THREAD QUANTITY PER INCH: 28 NUT THREAD A
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE
NOMINAL THREAD SIZE: 0.250 INCHES NUT THREAD A IN
THREAD DIRECTION: RIGHT-HAND NUT THREAD A
MATERIAL: STEEL COMP B1112
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF NUT THREAD A
THREAD CLASS3A NUT THREAD A A
THREAD QUANTITY PER INCH28 NUT THREAD A
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD A IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD A
MATERIALSTEEL COMP B1112
OVERALL LENGTH16.000 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES MINIMUM NUT THREAD A IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
N13277Interchangeable
interchangeable cross-reference
interchangeable
21320Interchangeable
interchangeable cross-reference
interchangeable
D76968Interchangeable
interchangeable cross-reference
interchangeable
215G036U17Interchangeable
interchangeable cross-reference
interchangeable
5214-377Interchangeable
interchangeable cross-reference
interchangeable
A23102XInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N13277?
N13277 is a PARTS KIT,AIR HORN.
What parts can replace N13277?
There are 6 known substitutes for N13277: N13277, 21320, D76968 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N13277?
N13277 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-521-4377. This indicates validated use in U.S. government and defense supply chains.
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