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PartsTable / COMPONENT / 2930008802004
2930008802004 ✓ 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

NUT,PLAIN,SINGLE BALL SEAT,HEXAG. Key specifications include nut_style: SINGLE BALL SEAT, HEXAGON, nut_height: 0.880 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, ball_seat_radius: 0.875 INCHES NOMINAL IN, thread_direction: LEFT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-880-2004, 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
2930008802004
NSN: 5310-00-880-2004
FSC: 5310
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
materialSTEEL COMP 4135 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 4427 OR STEEL COMP 5135 OR STEEL COMP 5140 OR STEEL COMP 8637 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL
nut_styleSINGLE BALL SEAT, HEXAGON
nut_height0.880 INCHES NOMINAL IN
thread_class2B
thread_seriesUN
ball_seat_radius0.875 INCHES NOMINAL IN
thread_directionLEFT-HAND
width_across_flats1.485 INCHES NOMINAL IN
nominal_thread_size1.125 INCHES IN
thread_quantity_per_inch16
NSN5310-00-880-2004
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2930008802004 · 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 HEIGHT: 0.880 INCHES NOMINAL IN
•
THREAD DIRECTION: LEFT-HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A547 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A547 ASSN STD 2ND MATERIAL RESPONSE OR SAE ASSN STD 4TH MATERIAL RESPONSE OR 66 FED STD 5TH MATERIAL RESPONSE OR 66 FED STD 6TH MATERIAL RESPONSE OR 66 FED STD 7TH MATERIAL RESPONSE OR 66 FED STD 8TH MATERIAL RESPONSE OR 66 FED STD 9TH MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 1.125 INCHES IN
•
THREAD SERIES: UN
•
THREAD QUANTITY PER INCH: 16
•
MATERIAL: STEEL COMP 4135 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 4427 OR STEEL COMP 5135 OR STEEL COMP 5140 OR STEEL COMP 8637 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL
•
NUT STYLE: SINGLE BALL SEAT, HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.880 INCHES NOMINAL IN
THREAD DIRECTIONLEFT-HAND
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A547 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A547 ASSN STD 2ND MATERIAL RESPONSE OR SAE ASSN STD 4TH MATERIAL RESPONSE OR 66 FED STD 5TH MATERIAL RESPONSE OR 66 FED STD 6TH MATERIAL RESPONSE OR 66 FED STD 7TH MATERIAL RESPONSE OR 66 FED STD 8TH MATERIAL RESPONSE OR 66 FED STD 9TH MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE1.125 INCHES IN
THREAD SERIESUN
THREAD QUANTITY PER INCH16
MATERIALSTEEL COMP 4135 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 4427 OR STEEL COMP 5135 OR STEEL COMP 5140 OR STEEL COMP 8637 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL
NUT STYLESINGLE BALL SEAT, HEXAGON
THREAD CLASS2B
WIDTH ACROSS FLATS1.485 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
RSC-00341Interchangeable
interchangeable cross-reference
interchangeable
DX-1068Interchangeable
interchangeable cross-reference
interchangeable
279671Interchangeable
interchangeable cross-reference
interchangeable
K169-100Interchangeable
Same NIIN cross-reference
interchangeable
MS51983-3Interchangeable
Same NIIN cross-reference
interchangeable
15C-2-27Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2930008802004?
2930008802004 is a NUT,PLAIN,SINGLE BALL SEAT,HEXAG.
What parts can replace 2930008802004?
There are 8 known substitutes for 2930008802004: RSC-00341, DX-1068, 279671 and 5 more. Substitute compatibility should be verified for your specific system.
Is 2930008802004 still available?
2930008802004 is currently cancelled.
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Last verified: July 2026