PartsTable
Technical Data Sheet

N21209 — Technical Data Sheet

✓ 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,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNS, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System under NSN 5310-00-011-7056, 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
N21209
NSN: 5310-00-011-7056
FSC: 5310
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNS
thread_directionRIGHT-HAND
width_across_flats1.4500 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
nominal_thread_size1.000 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch14
NSN5310-00-011-7056
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N21209 · 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 SERIES: UNS
•
THREAD QUANTITY PER INCH: 14
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
MATERIAL: STEEL OVERALL
•
WIDTH ACROSS FLATS: 1.4500 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
NUT HEIGHT: 0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUNS
THREAD QUANTITY PER INCH14
NOMINAL THREAD SIZE1.000 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIALSTEEL OVERALL
WIDTH ACROSS FLATS1.4500 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN
NUT STYLEHEXAGON
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
NC404PC39InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NC400PC39InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NC500PC39InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P1381InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A43058InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GAG185InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy N21209?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is N21209?
N21209 is a NUT,PLAIN,HEXAGON.
What parts can replace N21209?
There are 17 known substitutes for N21209: NC404PC39, NC400PC39, NC500PC39 and 14 more. Substitute compatibility should be verified for your specific system.
Is N21209 still available?
N21209 is currently cancelled.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — N21209