The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-338-7326, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-338-7326 |
| Primary Part Number | BACN10JZ5B2CM |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Plate Thickness | 0.100 INCHES NOMINAL IN |
| Nut Length | 1.120 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.760 INCHES MAXIMUM IN |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Nut Counterbore Depth | 0.090 INCHES MINIMUM NUT IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Center to Center Distance Between Mounting Holes Along Width | 0.398 INCHES MINIMUM AND 0.402 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.312 INCHES IN |
| Specification/standard Data | 81205-BACN10JZ MANUFACTURERS STANDARD |
| Counterbore Diameter | 0.350 INCHES MINIMUM NUT IN |
| Distance From Aperture Center to Mounting Hole Center | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.410 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE NUT |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 SHELL |
| Material | IRON ALLOY 660 NUT |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAL |
| Material | IRON ALLOY 660 BASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BACN10JZ5B2CM | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| BACW10BN | 5/9 Secondary reference Moeller Manufacturing & Supply, Llc |
| BACW10BN | 5/9 Secondary reference Mamco Mfg Co Inc |
| 109F9220-5 | 5/9 Secondary reference Harvard Industries Inc |
| F29345C5 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| BACN10JZ5B2CM | 3/2 Design control — primary reference U.S. Government activity |
| BACW10BN | 5/9 Secondary reference West Coast Lockwasher Co., Inc. Dba West Coast Lockwasher Co Inc Div West Coast Lockwasher |
| BACN10JZ5B2CM | 5/2 Secondary reference U.S. Government activity |
| BACW10BN | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| BACW10BN | 5/9 Secondary reference Anillo Industries Llc |
| F29345C5BAC | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
NSN 5310-01-338-7326 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-338-7326 has 1 manufacturer part number on file: BACN10JZ5B2CM (Howmet Global Fastening Systems Inc).
4 possible matches (shared part number, not a government interchangeability claim): 5310-01-728-7509, 5310-01-728-7510, 5310-01-732-0145. Verify interchangeability with system specifications before substitution.
Key specifications for BACN10JZ5B2CM: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.780 INCHES NOMINAL IN; Plate Thickness: 0.100 INCHES NOMINAL IN; Nut Length: 1.120 INCHES MAXIMUM IN. 27 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.