PartsTable
Technical Data Sheet
1277-03 ✓ 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 NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include usage_location: EITHER ANKLE, size_designation: LARGE, special_features: LARGE; ANKLE-9-1/2-11 INCHES; DOUBLE STRAP FITS RIGHT ORLEFT ANKLES AND GIVES DOUBLE SUPPORT TO ARCH AND ANKLE IN, features_provided: NONADJUSTABLE, part_name_assigned_by_controlling_agency: SUPPORT ANKLE LARGE 9-1/2-11 IN ANKLE DOUBLE STRAP FIT RGT/LFT IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-185-6485, 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
1277-03
NSN: 5310-00-185-6485
FSC: 5310
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
usage_locationEITHER ANKLE
size_designationLARGE
special_featuresLARGE; ANKLE-9-1/2-11 INCHES; DOUBLE STRAP FITS RIGHT ORLEFT ANKLES AND GIVES DOUBLE SUPPORT TO ARCH AND ANKLE IN
features_providedNONADJUSTABLE
part_name_assigned_by_controlling_agencySUPPORT ANKLE LARGE 9-1/2-11 IN ANKLE DOUBLE STRAP FIT RGT/LFT IN
NSN5310-00-185-6485
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1277-03 · 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 DIAMETER: 0.750 INCHES NOMINAL IN
THREAD SERIES: UNS
THREAD QUANTITY PER INCH: 32
NOMINAL THREAD SIZE: 0.391 INCHES IN
DRIVE POINT DEPTH: 0.062 INCHES NOMINAL IN
DRIVE POINT QUANTITY: 4
THREAD DIRECTION: RIGHT-HAND
NUT THICKNESS: 0.219 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT DIAMETER0.750 INCHES NOMINAL IN
THREAD SERIESUNS
THREAD QUANTITY PER INCH32
NOMINAL THREAD SIZE0.391 INCHES IN
DRIVE POINT DEPTH0.062 INCHES NOMINAL IN
DRIVE POINT QUANTITY4
THREAD DIRECTIONRIGHT-HAND
NUT THICKNESS0.219 INCHES NOMINAL IN
DRIVE POINT WIDTH0.125 INCHES NOMINAL IN
NUT STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
100105-2Interchangeable
interchangeable cross-reference
interchangeable
7058773P3Interchangeable
interchangeable cross-reference
interchangeable
3-16STAINLESSSTEELBALLGRADE1Interchangeable
interchangeable cross-reference
interchangeable
206-062-832-2Interchangeable
interchangeable cross-reference
interchangeable
5645-2Interchangeable
interchangeable cross-reference
interchangeable
5-2671-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1277-03?
1277-03 is a NUT,PLAIN,ROUND.
What parts can replace 1277-03?
There are 28 known substitutes for 1277-03: 100105-2, 7058773P3, 3-16STAINLESSSTEELBALLGRADE1 and 25 more. Substitute compatibility should be verified for your specific system.
Is 1277-03 still available?
1277-03 is currently cancelled.
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