PartsTable
Technical Data Sheet

B-912-1/2 — NUT,PLAIN,RECTANGULAR

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B-912-1/2: NUT,PLAIN,RECTANGULAR.

The NUT,PLAIN,RECTANGULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_length: 1.250 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), special_features: SPRING CONNECTED TO NUT, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-382-1163, 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
B-912-1/2
NSN: 5310-01-382-1163
FSC: 5310 — Nuts and Washers
CAGE: 56501 — ABB INSTALLATION PRODUCTS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_length1.250 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
special_featuresSPRING CONNECTED TO NUT
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.500 INCHES IN
thread_quantity_per_inch13
NSN5310-01-382-1163
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B-912-1/2 · 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
•
NUT LENGTH: 1.250 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 13
TECHNICAL CHARACTERISTICS
NUT LENGTH1.250 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
SPECIAL FEATURESSPRING CONNECTED TO NUT
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B
THREAD QUANTITY PER INCH13
MATERIALSTEEL OVERALL
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
MFAG0802-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B-912-1/2?
B-912-1/2 is a NUT,PLAIN,RECTANGULAR.
What parts can replace B-912-1/2?
There is 1 known substitute for B-912-1/2: MFAG0802-3. Substitute compatibility should be verified for your specific system.
What is the NSN for B-912-1/2?
B-912-1/2 is cataloged in the U.S. Government catalog under NSN 5310-01-382-1163. 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.