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Technical Data Sheet
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122052 — 122052

✓ Government record, cited
Hama · MRO · MRO_GENERAL
PRODUCT OVERVIEW

122052: 122052.

- Holder for presenting or laying down headphones - Universal, suitable for all over-ear and on-ear headphones - Comes with a cable holder made of silicone - Due to the relief of the earpads, a long-term good fit of the headphones is guaranteed This part is cataloged in the U.S. Government catalog under NSN 5306-00-012-2052, 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
MRO→ MRO_GENERAL→ 122052
NSN: 5306-00-012-2052
NIINs: 000122052, 002430607, 014642804
FSC: 5306 — Bolts
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
end_item_identificationAN/USM-668 TEST SET
NSN5306-00-012-2052
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 122052 · Hama ⚠ 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: 0.203 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.750 INCHES NOMINAL IN
•
THREAD LENGTH: 1.062 INCHES MINIMUM IN
•
HARDNESS RATING: 100.0 ROCKWELL B MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.203 INCHES NOMINAL IN
FASTENER LENGTH1.750 INCHES NOMINAL IN
THREAD LENGTH1.062 INCHES MINIMUM IN
HARDNESS RATING100.0 ROCKWELL B MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE AND 2 GRADE
SUBSTITUTES & CROSS-REFERENCES 3
180085Reference document
Same NSN cross-reference
Reference document — Secondary reference
428403Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
PC122052Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 122052?
122052 is a 122052 manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What parts can replace 122052?
There are 3 known substitutes for 122052: 180085, 428403, PC122052. Substitute compatibility should be verified for your specific system.
What is the NSN for 122052?
122052 is cataloged in the U.S. Government catalog under NSN 5306-00-012-2052. 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.