PartsTable / COMPONENT / 91691
91691
✓ 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 SPACER,RING is a the manufacturer industrial component. Key specifications include end_item_identification: 7360-01-579-1956. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-3027, 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
91691
NSN: 5310-00-010-3027 FSC: 5310 CAGE: 89109 — GRAHAM PAIGE CORP (USA)
SPECIFICATIONS
end_item_identification 7360-01-579-1956 NSN 5310-00-010-3027
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED
Hex NUT
CROSS-SECTION
WASHER OD: —
SIZE: —
MATERIAL: —
PN: 91691 · 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
• NOMINAL THREAD SIZE: 0.438 INCHES IN
• THREAD QUANTITY PER INCH: 20
• BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
• NONDEFINITIVE SPEC/STD DATA: A TYPE
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS 2B NOMINAL THREAD SIZE 0.438 INCHES IN THREAD SERIES UNF THREAD QUANTITY PER INCH 20 BEARING SURFACE TYPE CHAMFERED OR WASHER FACED NUT STYLE HEXAGON NONDEFINITIVE SPEC/STD DATA A TYPE MATERIAL STEEL OVERALL NUT HEIGHT 0.375 INCHES NOMINAL IN THREAD DIRECTION RIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
120370 Interchangeable interchangeable cross-reference
interchangeable
5-57 Interchangeable interchangeable cross-reference
interchangeable
GM120370 Interchangeable interchangeable cross-reference
interchangeable
30X01 Interchangeable interchangeable cross-reference
interchangeable
30X60 Interchangeable interchangeable cross-reference
interchangeable
99106 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91691?
91691 is a SPACER,RING.
What parts can replace 91691?
There are 22 known substitutes for 91691: 120370, 5-57, GM120370 and 19 more. Substitute compatibility should be verified for your specific system.
Is 91691 still available?
91691 is currently cancelled.