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21123A — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

21123A: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include scale_name: GALLONS, scale_length: 5.000 INCHES NOMINAL IN, overall_width: 4.688 INCHES NOMINAL IN, overall_height: 3.500 INCHES NOMINAL IN, overall_length: 4.375 INCHES NOMINAL IN, mounting_method: BOLT. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-286-0289, 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
21123A
NSN: 5305-00-286-0289
NIINs: 002860289, 013147140
FSC: 5305 — Screws
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
scale_nameGALLONS
scale_length5.000 INCHES NOMINAL IN
overall_width4.688 INCHES NOMINAL IN
overall_height3.500 INCHES NOMINAL IN
overall_length4.375 INCHES NOMINAL IN
mounting_methodBOLT
bolt_circle_diameter0.250 INCHES NOMINAL IN
mounting_hole_quantity4
end_item_identificationCOMPUTER,SLAM MISSILE PRE-LAUNCH DATA CP-1876/G
criticality_code_justificationZZZY
scale_inscription/background_colorBLACK ON WHITE BACKGROUND
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
NSN5305-00-286-0289
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21123A · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.107 INCHES MINIMUM AND 0.117 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.250 INCHES NOMINAL IN
•
THREAD LENGTH: 1.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: ROUND
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: IRON
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.107 INCHES MINIMUM AND 0.117 INCHES MAXIMUM IN
FASTENER LENGTH1.250 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEROUND
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALIRON
INTERNAL DRIVE STYLESLOT
THREAD CLASS2A A
THREAD QUANTITY PER INCH32
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21123A?
21123A is a SCREW,MACHINE.
What is the NSN for 21123A?
21123A is cataloged in the U.S. Government catalog under NSN 5305-00-286-0289. This indicates validated use in U.S. government and defense supply chains.
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