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400D119 — NUT,PLAIN,SINGLE BALL SEAT,HEXAG

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

400D119: NUT,PLAIN,SINGLE BALL SEAT,HEXAG.

NUT,PLAIN,SINGLE BALL SEAT,HEXAG. Key specifications include material: STEEL OVERALL, nut_style: SINGLE BALL SEAT, HEXAGON, nut_height: 0.688 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-139-6963, 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
400D119
NSN: 5310-00-139-6963
FSC: 5310 — Nuts and Washers
CAGE: 71838 — SPS TECHNOLOGIES AFG DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSINGLE BALL SEAT, HEXAGON
nut_height0.688 INCHES NOMINAL IN
thread_class2B
thread_seriesUN
thread_directionRIGHT-HAND
width_across_flats1.125 INCHES NOMINAL IN
nominal_thread_size0.688 INCHES IN
thread_quantity_per_inch16
NSN5310-00-139-6963
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 400D119 · 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
•
WIDTH ACROSS FLATS: 1.125 INCHES NOMINAL IN
•
THREAD SERIES: UN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.688 INCHES IN
•
NUT HEIGHT: 0.688 INCHES NOMINAL IN
•
NUT STYLE: SINGLE BALL SEAT, HEXAGON
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 16
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.125 INCHES NOMINAL IN
THREAD SERIESUN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.688 INCHES IN
NUT HEIGHT0.688 INCHES NOMINAL IN
NUT STYLESINGLE BALL SEAT, HEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH16
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 400D119?
400D119 is a NUT,PLAIN,SINGLE BALL SEAT,HEXAG.
What is the NSN for 400D119?
400D119 is cataloged in the U.S. Government catalog under NSN 5310-00-139-6963. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.