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Technical Data Sheet
PartsTable / COMPONENT / 1.12508UNC2BT3G7NSAFAL1
1.12508UNC2BT3G7NSAFAL1 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The 1.12508UNC2BT3G7NSAFAL1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-386-9756, 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
1.12508UNC2BT3G7NSAFAL1
NSN: 5310-01-386-9756
FSC: 5310
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part Number1.12508UNC2BT3G7NSAFAL1
NSN5310-01-386-9756
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1.12508UNC2BT3G7NSAFAL1 · 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 QUANTITY PER INCH: 8
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
DEPARTURE FROM CITED DOCUMENT: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
•
NOMINAL THREAD SIZE: 1.125 INCHES IN
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH8
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
DEPARTURE FROM CITED DOCUMENTMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NOMINAL THREAD SIZE1.125 INCHES IN
CRITICALITY CODE JUSTIFICATIONZZZW
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MIL-DTL-1222,TYIII,GR7,STYAL1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222,TYIII,GR7,STYAInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222L1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222Interchangeable
interchangeable cross-reference
interchangeable
MIL-STD-1222,TYIII,GR7,STYAInterchangeable
interchangeable cross-reference
interchangeable
29307NPC15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1.12508UNC2BT3G7NSAFAL1?
1.12508UNC2BT3G7NSAFAL1 is a 1.12508UNC2BT3G7NSAFAL1.
What parts can replace 1.12508UNC2BT3G7NSAFAL1?
There are 18 known substitutes for 1.12508UNC2BT3G7NSAFAL1: MIL-DTL-1222,TYIII,GR7,STYAL1, MIL-DTL-1222,TYIII,GR7,STYA, MIL-DTL-1222L1 and 15 more. Substitute compatibility should be verified for your specific system.
Is 1.12508UNC2BT3G7NSAFAL1 still available?
1.12508UNC2BT3G7NSAFAL1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026