| Item Name | Cover Access |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5340 Hardware Commercial |
| National Item Identification Number (NIIN) | 00-966-6521 (009666521) |
| NCB Code | USA (00) |
| Manufacturer | Spacecraft Engineering Co Inc, Tison Engineering Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | CIRCULAR RECESS |
| AARX | INSIDE DIAMETER | 1.000 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 0.202 INCHES MINIMUM AND 0.207 INCHES MAXIMUM |
| ABKG | BOLT CIRCLE DIAMETER | 3.312 INCHES NOMINAL |
| ABKU | FLANGE THICKNESS | 0.220 INCHES NOMINAL |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND,MULTIEARS AND HOLES |
| ADPM | BOLT CIRCLE HOLE QUANTITY | 6 |
| ADPN | FIRST RECESS INSIDE HEIGHT | 0.625 INCHES NOMINAL |
| ADPQ | INSIDE CORNER RADIUS | 0.020 INCHES MAXIMUM |
| ADQB | SECURING DEVICE TYPE | THREADED FASTENER |
| ADQK | MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE |
| CBBL | FEATURES PROVIDED | OBSERVATION FACILITY |
| MATT | MATERIAL | ALUMINUM ALLOY 356.0 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE |
| Relevant Components for NSN - 5340-00-966-6521, 5340009666521 | ||||
| 5305-01-322-2550 (5305013222550) | 5330-01-188-5652 (5330011885652) | 5365-01-342-4981 (5365013424981) | 5340-01-345-9187 (5340013459187) | |
| 5365-01-413-4862 (5365014134862) | 5331-01-305-0237 (5331013050237) | 5305-01-441-4148 (5305014414148) | 5305-00-431-8851 (5305004318851) | |
| 5340-01-464-8492 (5340014648492) | 5315-01-037-1145 (5315010371145) | 5305-01-506-5142 (5305015065142) | 5365-01-426-4082 (5365014264082) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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